package week1;
import java.util.Scanner;
public class Timu1 {
	public static void main(String[] args){
		  Scanner sc =new Scanner(System.in);
		  while(sc.hasNext()){
			  int a =sc.nextInt();
			  int b= sc.nextInt();
			  if(Math.abs(a)<=1000){
				  System.out.println(a+b);
			  }
			  else{
				  System.out.println("a<=1000");
			  }
			  
		  }
	  }

}
